    ////////////////////
    // Dev Tools - Performance
    ////////////////////
    /**
     * Use the `Browser.devtools.performance` API to listen to recording status updates in the Performance panel in DevTools.
     * @since Chrome 129
     */
    export namespace devtools.performance {
        export interface ProfilingStartedEvent extends Browser.events.Event<() => void> {}

        export interface ProfilingStoppedEvent extends Browser.events.Event<() => void> {}

        /** Fired when the Performance panel begins recording performance data. */
        export var onProfilingStarted: ProfilingStartedEvent;
        /** Fired when the Performance panel stops recording performance data. */
        export var onProfilingStopped: ProfilingStoppedEvent;
    }